Hardware mutex common framework

[LF.Tan]

Hi all

Do we have hardware mutex common framework available in kernel? I
can't find in drivers/, but, I found there is a hardware spinlock
framework under drivers/hwspinlock.

I believe the spinlock and mutex should have different framework.
Please correct me if wrong.

I would like to introduce a hardware mutex common framework in kernel
if it is not exist yet. What is the procedure for this? Or I can just
directly submit the patch to kernel mailing list?

Thanks.
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